[j-nsp] ISSU offlined mpc - why?

2021-09-01 Thread Mike via juniper-nsp
Hello,     I did an issu upgrade on an MX240 with dual routing engines, going from 15.1R6 to 17.4R2, and I had reviewed the fine manuals particularly concerning advance steps to ensure nonstop routing and so forth. But during the upgrade (near the very end), the router did offline my MPC 3D

Re: [j-nsp] ISSU offlined mpc - why?

2021-09-01 Thread Saku Ytti via juniper-nsp
On Wed, 1 Sept 2021 at 20:35, Chuck Anderson via juniper-nsp wrote: > Eventually during the ISSU process, the line card software needs to be > upgraded. During that part, each line card goes offline one at a > time. If you have multiple line cards, design your network such that > redundant

Re: [j-nsp] ISSU offlined mpc - why?

2021-09-01 Thread Chuck Anderson via juniper-nsp
On Wed, Sep 01, 2021 at 09:44:08AM -0700, Mike via juniper-nsp wrote: > "Unified ISSU is supported with Junos OS Release 17.4R1 for MX Series > routers with MPC-3D-16XGE-SFPP" > >     my expectations were that the card would stay online and there > would be little to no operational impact, but